Home / 131,736.97-197,605.95-31,897

Finding the Fourth Proportional to 131,736.97, 197,605.95 and 31,897

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Solution

The fourth proportional to 131,736.97, 197,605.95 and 31,897 is: 47,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.97 : 197,605.95 = 31,897 : x
  2. Step 2: Convert to fraction form
    131,736.97/197,605.95 = 31,897/x
  3. Step 3: Cross multiply
    131,736.97x = 197,605.95 × 31,897
  4. Step 4: Simplify right side
    131,736.97x = 6,303,036,987.15
  5. Step 5: Solve for x
    x = 6,303,036,987.15/131,736.97
  6. Step 6: Final answer
    x = 47,845.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.